Home / 191,639.43-287,501.22-56,692.94

Finding the Fourth Proportional to 191,639.43, 287,501.22 and 56,692.94

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Solution

The fourth proportional to 191,639.43, 287,501.22 and 56,692.94 is: 85,051.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,639.43 : 287,501.22 = 56,692.94 : x
  2. Step 2: Convert to fraction form
    191,639.43/287,501.22 = 56,692.94/x
  3. Step 3: Cross multiply
    191,639.43x = 287,501.22 × 56,692.94
  4. Step 4: Simplify right side
    191,639.43x = 16,299,287,977.88
  5. Step 5: Solve for x
    x = 16,299,287,977.88/191,639.43
  6. Step 6: Final answer
    x = 85,051.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.